mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-09-16 05:42:32 +00:00
111 lines
2.5 KiB
Go
111 lines
2.5 KiB
Go
package http
|
|
|
|
import (
|
|
"bufio"
|
|
"encoding/base64"
|
|
"net"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/Dreamacro/clash/adapter/inbound"
|
|
"github.com/Dreamacro/clash/common/cache"
|
|
"github.com/Dreamacro/clash/component/auth"
|
|
C "github.com/Dreamacro/clash/constant"
|
|
authStore "github.com/Dreamacro/clash/listener/auth"
|
|
"github.com/Dreamacro/clash/log"
|
|
)
|
|
|
|
type Listener struct {
|
|
listener net.Listener
|
|
address string
|
|
closed bool
|
|
cache *cache.Cache
|
|
}
|
|
|
|
func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
|
|
l, err := net.Listen("tcp", addr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
hl := &Listener{l, addr, false, cache.New(30 * time.Second)}
|
|
go func() {
|
|
for {
|
|
c, err := hl.listener.Accept()
|
|
if err != nil {
|
|
if hl.closed {
|
|
break
|
|
}
|
|
continue
|
|
}
|
|
go HandleConn(c, in, hl.cache)
|
|
}
|
|
}()
|
|
|
|
return hl, nil
|
|
}
|
|
|
|
func (l *Listener) Close() {
|
|
l.closed = true
|
|
l.listener.Close()
|
|
}
|
|
|
|
func (l *Listener) Address() string {
|
|
return l.address
|
|
}
|
|
|
|
func canActivate(loginStr string, authenticator auth.Authenticator, cache *cache.Cache) (ret bool) {
|
|
if result := cache.Get(loginStr); result != nil {
|
|
ret = result.(bool)
|
|
return
|
|
}
|
|
loginData, err := base64.StdEncoding.DecodeString(loginStr)
|
|
login := strings.Split(string(loginData), ":")
|
|
ret = err == nil && len(login) == 2 && authenticator.Verify(login[0], login[1])
|
|
|
|
cache.Put(loginStr, ret, time.Minute)
|
|
return
|
|
}
|
|
|
|
func HandleConn(conn net.Conn, in chan<- C.ConnContext, cache *cache.Cache) {
|
|
br := bufio.NewReader(conn)
|
|
|
|
keepAlive:
|
|
request, err := http.ReadRequest(br)
|
|
if err != nil || request.URL.Host == "" {
|
|
conn.Close()
|
|
return
|
|
}
|
|
|
|
keepAlive := strings.TrimSpace(strings.ToLower(request.Header.Get("Proxy-Connection"))) == "keep-alive"
|
|
authenticator := authStore.Authenticator()
|
|
if authenticator != nil {
|
|
if authStrings := strings.Split(request.Header.Get("Proxy-Authorization"), " "); len(authStrings) != 2 {
|
|
conn.Write([]byte("HTTP/1.1 407 Proxy Authentication Required\r\nProxy-Authenticate: Basic\r\n\r\n"))
|
|
if keepAlive {
|
|
goto keepAlive
|
|
}
|
|
return
|
|
} else if !canActivate(authStrings[1], authenticator, cache) {
|
|
conn.Write([]byte("HTTP/1.1 403 Forbidden\r\n\r\n"))
|
|
log.Infoln("Auth failed from %s", conn.RemoteAddr().String())
|
|
if keepAlive {
|
|
goto keepAlive
|
|
}
|
|
conn.Close()
|
|
return
|
|
}
|
|
}
|
|
|
|
if request.Method == http.MethodConnect {
|
|
_, err := conn.Write([]byte("HTTP/1.1 200 Connection established\r\n\r\n"))
|
|
if err != nil {
|
|
conn.Close()
|
|
return
|
|
}
|
|
in <- inbound.NewHTTPS(request, conn)
|
|
return
|
|
}
|
|
|
|
in <- inbound.NewHTTP(request, conn)
|
|
}
|